/*
Simple Image Trail script- By JavaScriptKit.com
Visit http://www.javascriptkit.com for this script and more
This notice must stay intact
*/

var w=1
var h=1

if (document.getElementById || document.all)
document.write('<div id="trailimageid" style="position:absolute;visibility:hidden;left:0px;top:-1000px;width:1px;height:1px;border:1px solid #888888;background:#DDDDDD;"><img id="ttimg" src="img/s.gif" /></div>')

function gettrailobj()
{
    if (document.getElementById) return document.getElementById("trailimageid").style
    else if (document.all) return document.all.trailimagid.style
}

function truebody()
{
    return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function hidetrail()
{
    document.onmousemove=""
    document.getElementById('ttimg').src='img/s.gif'
    gettrailobj().visibility="hidden"
    gettrailobj().left=-1000
    gettrailobj().top=0
}


function showtrail(width,height,file)
{
    if(navigator.userAgent.toLowerCase().indexOf('opera') == -1 && navigator.userAgent.toLowerCase().indexOf('safari') == -1)
    {
        w=width;
        h=height;
        
        // followmouse()

        gettrailobj().visibility="visible";
		if(w > 0)
        	gettrailobj().width=w+"px";
		else
			gettrailobj().width="";
		if(h > 0)
        	gettrailobj().height=h+"px";
		else
			gettrailobj().height="";
        //document.getElementById('ttimg').src=file
        var img = document.getElementById('ttimg');
        img.src = file;
        img.style.width=w+"px";
        img.style.height=h+"px";
        document.onmousemove=followmouse;
    }
}

function followmouse(e)
{

    if(navigator.userAgent.toLowerCase().indexOf('opera') == -1 && navigator.userAgent.toLowerCase().indexOf('safari') == -1)
    {

        var xcoord=20
        var ycoord=20

        if (typeof e != "undefined")
        {
            xcoord+=e.pageX
            ycoord+=e.pageY
        }
        else if (typeof window.event !="undefined")
        {
            xcoord+=truebody().scrollLeft+event.clientX
            ycoord+=truebody().scrollTop+event.clientY
        }

        var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
        var docheight=document.all? Math.max(truebody().scrollHeight, truebody().clientHeight) : Math.max(document.body.offsetHeight, window.innerHeight)

        if (xcoord+w+3>docwidth)
        xcoord=xcoord-w-(20*2)

        if (ycoord-truebody().scrollTop+h>truebody().clientHeight)
        ycoord=ycoord-h-20;

        gettrailobj().left=xcoord+"px"
        gettrailobj().top=ycoord+"px"
    }
}